n. [ Gr. &unr_; sleep + E. cyst. ] (Biol.) A cyst in which some unicellular organisms temporarily inclose themselves, from which they emerge unchanged, after a period of drought or deficiency of food. In some instances, a process of spore formation seems to occur within such cysts. [ 1913 Webster ]
n. A person who hypnotizes another, especially one who is professionally trained in the technique. [ PJC ]